em nested within elements, elements nested within em
Classified as: flow content, phrasing content, palpable content
Parents, em
Children, em
Examples: em parents, em children
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | <!doctype html> <> <> <>...</> </> <> <> <> </> </> </> </> |
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | <!doctype html> <> <> <>...</> </> <> <> <> <>...</> </> </> </> </> |
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | <!doctype html> <> <> <>...</> <>...</> </> <> <> <> ... </> </> </> </> |
Syntax 1: Valid, em element nested within p: allowed
Syntax 2: Valid, a nested within em: allowed
Syntax 3: Invalid, em nested within head: not allowed; article nested within em: not allowed